"in the form of creams containing antihistamines or hydrocortisone, may provide relief from nettle dermatitis. In Great Britain, the use of dock leaves on nettle stings is an established folk remedy, and revolves around the sap released from rubbing the leaf over affected areas of skin, which provides a cooling sensation. Docks and nettles regularly grow in the vicinity of each other due to both plants favouring the same soil conditions, and this may have aided the dock's popularity as a treatment for nettle stings. The term, ""contact urticaria"", has a wider use in dermatology, involving dermatitis caused by various"
"Urtica dioica Urtica dioica, often called common nettle, stinging nettle (although not all plants of this species sting) or nettle leaf, is a herbaceous perennial flowering plant in the family Urticaceae. Originally native to Europe, much of temperate Asia and western North Africa, it is now found worldwide. The species is divided into six subspecies, five of which have many hollow stinging hairs called trichomes on the leaves and stems, which act like hypodermic needles, injecting histamine and other chemicals that produce a stinging sensation upon contact (""contact urticaria""). The plant has a long history of use as a source"
"with the soil. The plant is often mistaken for stinging nettle (""Urtica dioica""), but can be distinguished by the lack of trichomes, or stinging hairs, and the lower amount of branching of the inflorescences. Three varieties of ""Pilea pumila"" are currently recognized. They are: Among the typical widespread variety ""pumila"", minor differences do exist between the Asian and North American populations. Further taxonomic studies are needed to clarify what level of rank (if any) these differences warrant. Pilea pumila Pilea pumila, commonly known as clearweed, is an herbaceous plant in the nettle family (Urticaceae). It is native to Asia and"
"Native American tribes have used stinging nettles for centuries, including the Lakota using the root for stomach pain, the Ojibwa using the stewed leaves for skin issues and used it to fight dysentery, the Potawatomi using the roots for fever reduction, and the Winnebago used nettles for allergy symptoms. Stinging nettles known to have a high nutritional value, including calcium, magnesium, iron, and vitamins A and B. Historically, one of the easy ways of consuming nettles is either through a soup or a tea because the boiling water deactivates the nettle from stinging. There are regional and cultural differences for"
"This plant is also known as bull nettle and ""mala mujer"" (Spanish for ""bad woman"" or witch), though the latter name is applied to several other plants with similar properties. Cnidoscolus stimulosus Cnidoscolus urens var. stimulosus, the bull nettle, spurge nettle, tread-softly or finger rot, is a perennial herb covered with stinging hairs, native to southeastern North America. A member of the family Euphorbiaceae (spurge family), it is not a true nettle. It prefers sandy, well-drained soil and mostly exists in pine/blackjack oak forests on sandhills, rims of Carolina bays, dunes, dry pastures, fields and roadsides. The green leaves of"
"in controlled-environment agriculture systems, such as soil-less medium cultivations or aeroponics, which may achieve higher yields, standardize quality, and reduce harvesting costs and contamination. ""Urtica"" is derived from a Latin word meaning 'sting'. ""Dioica"" is derived from Greek, meaning 'of two houses' (having separate staminate and pistillate plants; dioecious). Urtica dioica Urtica dioica, often called common nettle, stinging nettle (although not all plants of this species sting) or nettle leaf, is a herbaceous perennial flowering plant in the family Urticaceae. Originally native to Europe, much of temperate Asia and western North Africa, it is now found worldwide. The species is"
"also using it to make a tonic for ""clearing the blood"". Urtica incisa Urtica incisa, commonly called scrub nettle, stinging nettle, and tall nettle, is an upright perennial herb native to streams and rainforest of eastern and southern Australia, from the north–east southwards through the east, of Queensland and New South Wales, then across the south, through Victoria, Tasmania, south-eastern South Australia and parts of southern Western Australia. Also widespread in the North and South Island of New Zealand. Scrub nettle leaves are triangular and opposite, long, with serrated margins and stinging hairs. Aborigines ate the leaves after baking them"
"of up to . The spines covering the leaf surface, stem and stalk are generally no larger than in length, the spines on the older darker bark are smaller and softer, these don't cause a sting. This nettle is winter deciduous in cold climates, evergreen in mild climates and can lose its leaves in drought conditions if it is growing in shallow soils. The toxin present in the spines is triffydin (or tryfydin). This toxin contains histamine, serotonin and acetylcholine, the last of which causes powerful stimulation of the parasympathetic nerve system. Multiple stingings can have a very painful reaction"
"Stinging plant A stinging plant or a plant with stinging hairs is a plant with hairs (trichomes) on its leaves or stems that are capable of injecting substances that cause pain or irritation. Other plants, such as opuntias, have hairs or spines that cause mechanical irritation, but do not inject chemicals. Stinging hairs occur particularly in the families Urticaceae, Loasaceae, Boraginaceae (subfamily Hydrophylloideae) and Euphorbiaceae. Such hairs have been shown to deter grazing mammals, but are no more effective against insect attack than non-stinging hairs. Many plants with stinging hairs have the word ""nettle"" in their English name, but may"
"Dendrocnide peltata Dendrocnide peltata, commonly known simply as the stinging tree or jelaton, is a large tree in the nettle family Urticaceae. With the other species of the genus ""Dendrocnide"", it is known for the stinging hairs which cover the whole plant and cause severe pain when touched. The specific epithet comes from the Latin ""pelta"" (a shield), referring to the peltate leaves. ""Dendrocnide peltata"" is a dioecious rainforest tree. Although often encountered as a small, subcanopy tree, it may grow to be a large canopy tree up to 30 m high. The trunk grows to a diameter of 650"
"syn. ""Papilio gonerilla""), and the Australian/New Zealand yellow admiral butterfly (""Vanessa itea""). Urtica urens Urtica urens, commonly known as annual nettle, dwarf nettle, small nettle, dog nettle or burning nettle, is a herbaceous annual flowering plant species in the nettle family Urticaceae. It is native to Eurasia and it can be found in North America and New Zealand as an introduced species. It is reputed to sting more strongly than the Common Nettle/Stinging Nettle. In Europe, ""Urtica urens"" is one of the food plants of the small tortoiseshell butterfly (""Aglais urticae""). In New Zealand it is also a food plant"
"with the skin, the unlucky individual is dealt a painful burning stinging sensation, sometimes with barbs left in the skin. The skin can turn red and blister, and blisters can last for several days. Laportea canadensis Laportea canadensis, commonly called Canada nettle or wood-nettle, is an annual or perennial herbaceous plant of the nettle family Urticaceae, native to eastern and central North America. It is found growing in open woods with moist rich soils and along streams and in drainages. ""Laportea canadensis"" grows from tuberous roots to a height of 30 to 150 centimeters, and can be rhizomatous, growing into"
"skin irritants and pathogens. In Great Britain and Ireland, the stinging nettle (""U. dioica"" subsp. ""dioica"") is the only common stinging plant and has found a place in several figures of speech in the English language. Shakespeare's Hotspur urges that ""out of this nettle, danger, we pluck this flower, safety"" (""Henry IV, part 1"", Act II Scene 3). The figure of speech ""to grasp the nettle"" probably originated from Aesop's fable ""The Boy and the Nettle"". In Seán O'Casey's ""Juno and the Paycock"", one of the characters quotes Aesop ""Gently touch a nettle and it'll sting you for your pains/Grasp"
"Urtica urens Urtica urens, commonly known as annual nettle, dwarf nettle, small nettle, dog nettle or burning nettle, is a herbaceous annual flowering plant species in the nettle family Urticaceae. It is native to Eurasia and it can be found in North America and New Zealand as an introduced species. It is reputed to sting more strongly than the Common Nettle/Stinging Nettle. In Europe, ""Urtica urens"" is one of the food plants of the small tortoiseshell butterfly (""Aglais urticae""). In New Zealand it is also a food plant for the New Zealand red admiral butterfly (""Bassaris gonerilla"", syn. ""Vanessa gonerilla"","
"Urtica incisa Urtica incisa, commonly called scrub nettle, stinging nettle, and tall nettle, is an upright perennial herb native to streams and rainforest of eastern and southern Australia, from the north–east southwards through the east, of Queensland and New South Wales, then across the south, through Victoria, Tasmania, south-eastern South Australia and parts of southern Western Australia. Also widespread in the North and South Island of New Zealand. Scrub nettle leaves are triangular and opposite, long, with serrated margins and stinging hairs. Aborigines ate the leaves after baking them between hot stones. They are considered a tasty vegetable, with colonists"
"is the stinging nettle, ""Urtica dioica"", native to Europe, Africa, Asia, and North America. The family Urticaceae also contains some other plants with stinging hairs that are not members of the genus ""Urtica"". These include: There are also plants with stinging hairs that are unrelated to the Urticaceae: Though plants with stinging hairs can cause pain and acute urticaria, only a few are seriously harmful. The genus ""Dendrocnide"" (stinging trees) has been said to cause the most pain, particularly the Australian ""Dendrocnide moroides"" (gympie-gympie). There are reports of dogs and horses being killed, and once of a human death. The"
"Urtica dioica subsp. galeopsifolia Urtica dioica"" subsp. ""galeopsifolia, the fen nettle or stingless nettle, is a herbaceous perennial plant found in Europe. It is considered to be either a subspecies of stinging nettle (""Urtica dioica""), or a species in its own right: Urtica galeopsifolia. Unlike most other nettles, fen nettle has no stinging hairs or very few, instead being covered in fine, dense, non-stinging hairs. It has long, narrow leaves, these being reminiscent of the unrelated hemp nettles, ""Galeopsis"". Fen nettle grows up to tall. It is distributed in west, central and east Europe, growing in damp, neutral soil in"
"Cnidoscolus stimulosus Cnidoscolus urens var. stimulosus, the bull nettle, spurge nettle, tread-softly or finger rot, is a perennial herb covered with stinging hairs, native to southeastern North America. A member of the family Euphorbiaceae (spurge family), it is not a true nettle. It prefers sandy, well-drained soil and mostly exists in pine/blackjack oak forests on sandhills, rims of Carolina bays, dunes, dry pastures, fields and roadsides. The green leaves of this plant are alternate, consisting of three to five untoothed lobes. The large, white flowers have five petals. Male and female flowers are on different plants. Flowers occur throughout the"
"other food plants were scarce. Soaking stinging nettles in water or cooking removes the stinging chemicals from the plant, which allows them to be handled and eaten without injury. After the stinging nettle enters its flowering and seed-setting stages, the leaves develop gritty particles called cystoliths, which can irritate the urinary tract. In its peak season, nettle contains up to 25% protein, dry weight, which is high for a leafy green vegetable. The leaves are also dried and may then be used to make a herbal tea, as can also be done with the nettle's flowers. Nettles can be used"
"type of skin infection) or in rare cases, an allergic reaction. The secretions of the plant cause an intense burning sensation due to their highly acidic pH. The spines themselves provide a vehicle for the plants secretions to make it into the dermal and epidermal layers of the skin. Once the nettles themselves are removed from the skin, a moderately basic preparation such as baking soda mixed with water to form a paste is sufficient to neutralize the acidic secretions of the plant, thus stopping the painful burning and itching sensation. Cnidoscolus texanus Cnidoscolus texanus, commonly known as Texas bullnettle,"
"thus used is known as a rubefacient (something that causes redness). This is done as a folk remedy for treatment of rheumatism. In Ecuador there are indigenous healers that use stinging nettles with the belief that they improve fatigue and circulation, by rubbing raw leaves or flogging the plant directly on the body. Nettle stems contain a bast fibre that has been traditionally used for the same purposes as linen and is produced by a similar retting process. Unlike cotton, nettles grow easily without pesticides. The fibres are coarser, however. Historically, nettles have been used to make clothing for 2,000"
"humuli"". Stinging nettle is particularly found as an understory plant in wetter environments, but it is also found in meadows. Although nutritious, it is not widely eaten by either wildlife or livestock, presumably because of the sting. It spreads by abundant seeds and also by rhizomes, and is often able to survive and re-establish quickly after fire. ""Urtica dioica"" produces its inflammatory effect on skin (stinging, burning sensation often called ""contact urticaria"") both by impaling the skin via spicules – causing mechanical irritation – and by biochemical irritants, such as histamine, serotonin, and choline, among other chemicals. Anti-itch drugs, usually"
"but the process of removing the seeds from the chaff is too time consuming to be worth the effort. Docks contain high levels of vitamin C and beta-carotene, with ""Rumex crispus"" having the highest levels, greater than that of oranges and carrots respectively. The leaves have been used to relieve the burning of stinging nettle, and can be dried and used as a powder to help speed the healing of wounds. Docks contain anthraquinones, which have laxative and antibacterial properties, as well as stopping the growth of some parasites and fungi. There is also evidence that Native Americans used the"
"found guilty of breaking taboos. The pain caused by merely touching the ""nanggalat"" is no worse than the sting of a common European nettle, but far more persistent, returning whenever the affected area of skin is touched by water or rubbed, an effect that may last for days. ""Dendrocnide"" species are used as food plants by the larvae of some Lepidoptera species, including ""Aenetus scotti"". Dendrocnide Dendrocnide is a genus of 37 species of shrubs to large trees in the nettle family Urticaceae. They have a wide distribution across Southeast Asia, North East India, Australia and the Pacific Islands. They"
"not be related to ""true nettles"" (the genus ""Urtica""). Though several unrelated families of plants have stinging hairs, their structure is generally similar. A solid base supports a single elongated cell with a brittle tip. When the tip is broken, the exposed sharp point penetrates the skin and pressure injects toxins. The precise chemicals involved in causing pain and irritation are not yet fully understood. Stiff hairs or trichomes without the ability to inject irritating compounds occur on the leaves and stems of many plants. They appear to deter feeding insects to some degree by impeding movement and restricting access"
"Laportea canadensis Laportea canadensis, commonly called Canada nettle or wood-nettle, is an annual or perennial herbaceous plant of the nettle family Urticaceae, native to eastern and central North America. It is found growing in open woods with moist rich soils and along streams and in drainages. ""Laportea canadensis"" grows from tuberous roots to a height of 30 to 150 centimeters, and can be rhizomatous, growing into small clumps. Plants have both stinging and non stinging hairs on the foliage and the stems. It has whitish green flowers, produced from spring to early fall. When the stinging nettles come in contact"
"Cnidoscolus urens Cnidoscolus urens is a perennial, tropical American stinging herb belonging to the family Euphorbiaceae, and is one of some 100 species belonging to the genus ""Cnidoscolus"" (Gk. knidē-nettle, skōlos-thorn, Latin urens-burning). The plant is locally known as 'bull nettle', 'spurge nettle', 'bringamosa' and 'mala mujer' (evil woman). This species has an erect stem and is herbaceous when young, turning woody with age and from 50 to 150 centimeters tall. Leaves are lobed and large, while the white flowers occur in cymes, producing a spiny 3-seeded capsule with seeds rich in fats and proteins, resembling those of ""Ricinus communis""."
"nations. It is used in Rwanda to treat diarrhea. The Maasai use it to treat stomach ache. They are used in Kenya to treat malaria. Other medicinal uses include treatment of fractures and venereal diseases. The plant is also used to repel rats and to keep cattle out of crops. Gorillas eat the plant. Urtica massaica Urtica massaica is a species of flowering plant in the Urticaceae (nettle family) known by many English names, including Maasai stinging nettle and forest nettle. It is native to Africa, where it can be found in Congo, Burundi, Rwanda, Kenya, Uganda, and Tanzania. This"
"Urtica massaica Urtica massaica is a species of flowering plant in the Urticaceae (nettle family) known by many English names, including Maasai stinging nettle and forest nettle. It is native to Africa, where it can be found in Congo, Burundi, Rwanda, Kenya, Uganda, and Tanzania. This plant is a rhizomatous perennial herb up to 2 meters tall. It is covered in stinging hairs. The heart-shaped leaves are up to 13 centimeters long by 10.5 wide and have serrated edges. The plant is dioecious. The flowers are borne in panicles. This plant is used for food and medicine in several African"
"as earthenware, as a fuel, as a form of thatch. The ash was used for degreasing woolen cloth. The ash of bracken fern was used in making forest glass in Central Europe from about 1000 to 1700. Bracken is currently harvested in the Lake District, Cumbria, United Kingdom to make commercial composts. A quick and easy remedy for nettle stings is to rub bracken on the affected area. The juice it releases alleviates the sting, and bracken often grows near stinging nettle. The plant is carcinogenic to animals such as mice, rats, horses and cattle when ingested, although they will"
"they will often spread themselves by seed. In Catalonia (Spain) they use the leaves to cure the sting or paresthesia of the stinging nettle (Urtica dioica). Bodos of Northeast India cultivate a sub-species of malva called lapha and use it extensively in their traditional cuisine, although its use is not much known among other people of India. Malva Leaves are a highly cherished vegetable dish in north Indian state of Kashmir. It is called ""Soachal"". ""Malva sp."" leaves have been used in the traditional Austrian medicine internally as tea or externally as baths for treatment of disorders of the skin,"
"Tragia durbanensis The Stinging nettle creeper (""Tragia durbanensis"" Kuntze) is a twining herb in the family Euphorbiaceae, with a restricted distribution in southern Africa. There are some 150 species in the genus ""Tragia"". It is native to the coastal areas of Mozambique and eastern coastal areas of South Africa. These plants are found in dune forest, in woodland and on forest margins. A much-branched climbing perennial herb, with twining stems up to 2.5 m originating from a woody rootstock. The leaves are hairless or thinly hairy with serrated margins. The hairs sting fiercely. Inflorescences are up to 5.5 cm long"
"the British Isles. ""U. dioica"" herb has been used in the traditional Austrian medicine internally (as tea or fresh leaves) to treat disorders of the kidneys and urinary tract, gastrointestinal tract, locomotor system, skin, cardiovascular system, hemorrhage, influenza, rheumatism, and gout. As Old English ""stiðe"", nettle is one of the nine plants invoked in the pagan Anglo-Saxon ""Nine Herbs Charm"", recorded in the 10th century. Nettle was believed to be a galactagogue, a substance that promotes lactation. Urtication, or flogging with nettles, is the process of deliberately applying stinging nettles to the skin in order to provoke inflammation. An agent"